We should have a conversation when we hang up.

I always seem to be cast as slightly wan, ethereal, troubled intellectuals or physically ambivalent bad lovers. But I'm here to tell you I'm quite the opposite in real life. In fact I'm a f**king fantastic lover.

The story [in 12 Years a Slave] serves as a metaphor for the fear of having your family taken away, and for being abused in such a horrific way. I lost it a lot of times watching that film, particularly when seeing the grace of the man when he finally makes it back home aged, changed, forever brutalized, and yet he apologizes to his family for his long absence. That was such a profoundly moving moment capturing the triumph of dignity over the disgraceful behavior of those involved in the slave trade.

I drive a motorbike, so there is the whiff of the grim reaper round every corner, especially in London.

I have actual acting scars.

We look at science as the ultimate answer for everything yet we are really messy organisms and when the two collide in the upper echelons of medicine you think science will prevail but it's not always that way.

I've been very lucky at what's happened in my career to date, but playing something as far from me as possible is an ambition of mine - anything from a mutated baddy in a comic book action thriller, to a detective. If anything, I'd like Gary Oldman's career: he's the perfect example of it. I've love to have a really broad sweep of characters - to be able to do something edgy, surprising and unfashionable.